X2−2X+ =8 X2 −1 26.X2+5X− 3X− − =2 5 0 27.X2−5 X− − =1 1 0− = − +X...
25.x
2
−2x+ =8 x2
−1 26.x2
+5x− 3x− − =2 5 0 27.x2
−5 x− − =1 1 0− = − +x x− − =2
122
−2x+ =8 x2
−1 26.x2
+5x− 3x− − =2 5 0 27.x2
−5 x− − =1 1 0− = − +x x− − =2
12